EP3353778A4 - Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire - Google Patents
Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire Download PDFInfo
- Publication number
- EP3353778A4 EP3353778A4 EP16847684.4A EP16847684A EP3353778A4 EP 3353778 A4 EP3353778 A4 EP 3353778A4 EP 16847684 A EP16847684 A EP 16847684A EP 3353778 A4 EP3353778 A4 EP 3353778A4
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- time domain
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- 230000007774 longterm Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/002—Dynamic bit allocation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP23172915.3A EP4235659A3 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562232589P | 2015-09-25 | 2015-09-25 | |
US201662362360P | 2016-07-14 | 2016-07-14 | |
PCT/CA2016/051106 WO2017049397A1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23172915.3A Division-Into EP4235659A3 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
EP23172915.3A Division EP4235659A3 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3353778A1 EP3353778A1 (fr) | 2018-08-01 |
EP3353778A4 true EP3353778A4 (fr) | 2019-05-08 |
EP3353778B1 EP3353778B1 (fr) | 2023-07-05 |
Family
ID=58385516
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16847687.7A Pending EP3353784A4 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système de codage de canaux gauche et droit d'un signal sonore stéréo sélectionnant entre des modèles à deux et quatre sous-trames en fonction du budget de bits |
EP23172915.3A Pending EP4235659A3 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
EP16847686.9A Active EP3353780B1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système de décodage de canaux gauche et droit d'un signal sonore stéréo |
EP16847684.4A Active EP3353778B1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
EP16847683.6A Active EP3353777B8 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système pour le mixage réducteur de domaine temporel d'un signal sonore stéréo en canaux primaire et secondaire par détection d'état hors phase des canaux gauche et droit |
EP20170546.4A Pending EP3699909A1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire |
EP16847685.1A Active EP3353779B1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire |
EP21201478.1A Pending EP3961623A1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système de décodage de canaux gauche et droite d'un signal sonore stéréo |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16847687.7A Pending EP3353784A4 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système de codage de canaux gauche et droit d'un signal sonore stéréo sélectionnant entre des modèles à deux et quatre sous-trames en fonction du budget de bits |
EP23172915.3A Pending EP4235659A3 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système utilisant une différence de corrélation à long terme entre les canaux gauche et droit pour le sous-mixage temporel d'un signal sonore stéréo en canaux primaire et secondaire |
EP16847686.9A Active EP3353780B1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système de décodage de canaux gauche et droit d'un signal sonore stéréo |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16847683.6A Active EP3353777B8 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système pour le mixage réducteur de domaine temporel d'un signal sonore stéréo en canaux primaire et secondaire par détection d'état hors phase des canaux gauche et droit |
EP20170546.4A Pending EP3699909A1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire |
EP16847685.1A Active EP3353779B1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système pour coder un signal sonore stéréo à l'aide de paramètres de codage d'un canal primaire pour coder un canal secondaire |
EP21201478.1A Pending EP3961623A1 (fr) | 2015-09-25 | 2016-09-22 | Procédé et système de décodage de canaux gauche et droite d'un signal sonore stéréo |
Country Status (17)
Country | Link |
---|---|
US (8) | US10339940B2 (fr) |
EP (8) | EP3353784A4 (fr) |
JP (6) | JP6976934B2 (fr) |
KR (3) | KR102677745B1 (fr) |
CN (4) | CN116343802A (fr) |
AU (1) | AU2016325879B2 (fr) |
CA (5) | CA2997296C (fr) |
DK (1) | DK3353779T3 (fr) |
ES (4) | ES2955962T3 (fr) |
HK (4) | HK1253569A1 (fr) |
MX (4) | MX2018003242A (fr) |
MY (2) | MY188370A (fr) |
PL (1) | PL3353779T3 (fr) |
PT (1) | PT3353779T (fr) |
RU (6) | RU2729603C2 (fr) |
WO (5) | WO2017049398A1 (fr) |
ZA (2) | ZA201801675B (fr) |
Families Citing this family (42)
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RU2729603C2 (ru) | 2015-09-25 | 2020-08-11 | Войсэйдж Корпорейшн | Способ и система для кодирования стереофонического звукового сигнала с использованием параметров кодирования первичного канала для кодирования вторичного канала |
CN107742521B (zh) * | 2016-08-10 | 2021-08-13 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
EP3511934B1 (fr) * | 2016-09-28 | 2021-04-21 | Huawei Technologies Co., Ltd. | Procédé, appareil et système de traitement de signal audio multicanal |
EP3539127B1 (fr) * | 2016-11-08 | 2020-09-02 | Fraunhofer Gesellschaft zur Förderung der Angewand | Mélangeur-réducteur et procédé pour le mélange réducteur d'au moins deux voies, codeur multivoie et décodeur multivoie |
CN108269577B (zh) | 2016-12-30 | 2019-10-22 | 华为技术有限公司 | 立体声编码方法及立体声编码器 |
ES2911515T3 (es) * | 2017-04-10 | 2022-05-19 | Nokia Technologies Oy | Codificación de audio |
EP3396670B1 (fr) * | 2017-04-28 | 2020-11-25 | Nxp B.V. | Traitement d'un signal de parole |
US10224045B2 (en) | 2017-05-11 | 2019-03-05 | Qualcomm Incorporated | Stereo parameters for stereo decoding |
CN109300480B (zh) | 2017-07-25 | 2020-10-16 | 华为技术有限公司 | 立体声信号的编解码方法和编解码装置 |
CN117198302A (zh) * | 2017-08-10 | 2023-12-08 | 华为技术有限公司 | 时域立体声参数的编码方法和相关产品 |
CN109389984B (zh) | 2017-08-10 | 2021-09-14 | 华为技术有限公司 | 时域立体声编解码方法和相关产品 |
CN113782039A (zh) * | 2017-08-10 | 2021-12-10 | 华为技术有限公司 | 时域立体声编解码方法和相关产品 |
CN114898761A (zh) * | 2017-08-10 | 2022-08-12 | 华为技术有限公司 | 立体声信号编解码方法及装置 |
CN109427338B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号的编码方法和编码装置 |
CN109427337B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号编码时重建信号的方法和装置 |
US10891960B2 (en) * | 2017-09-11 | 2021-01-12 | Qualcomm Incorproated | Temporal offset estimation |
US11276412B2 (en) * | 2017-09-20 | 2022-03-15 | Voiceage Corporation | Method and device for efficiently distributing a bit-budget in a CELP codec |
CN109859766B (zh) * | 2017-11-30 | 2021-08-20 | 华为技术有限公司 | 音频编解码方法和相关产品 |
CN110556118B (zh) * | 2018-05-31 | 2022-05-10 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
CN110556117B (zh) | 2018-05-31 | 2022-04-22 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
CN110556119B (zh) * | 2018-05-31 | 2022-02-18 | 华为技术有限公司 | 一种下混信号的计算方法及装置 |
CN115831130A (zh) * | 2018-06-29 | 2023-03-21 | 华为技术有限公司 | 立体声信号的编码方法、解码方法、编码装置和解码装置 |
CN115132214A (zh) * | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
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EP3719799A1 (fr) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Codeur audio multicanaux, décodeur, procédés et programme informatique de commutation entre un fonctionnement multicanaux paramétrique et un fonctionnement de canal individuel |
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AU2020320270A1 (en) * | 2019-08-01 | 2022-03-24 | Dolby Laboratories Licensing Corporation | Encoding and decoding IVAS bitstreams |
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US10856082B1 (en) * | 2019-10-09 | 2020-12-01 | Echowell Electronic Co., Ltd. | Audio system with sound-field-type nature sound effect |
JP7380837B2 (ja) * | 2020-03-09 | 2023-11-15 | 日本電信電話株式会社 | 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体 |
US20230086460A1 (en) * | 2020-03-09 | 2023-03-23 | Nippon Telegraph And Telephone Corporation | Sound signal encoding method, sound signal decoding method, sound signal encoding apparatus, sound signal decoding apparatus, program, and recording medium |
WO2021181746A1 (fr) * | 2020-03-09 | 2021-09-16 | 日本電信電話株式会社 | Procédé de mixage réducteur de signal sonore, procédé de codage de signal sonore, dispositif de mixage réducteur de signal sonore, dispositif de codage de signal sonore, programme et support d'enregistrement |
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